This large-scale population study examined the long-term effects of mobile phone and computer game use on brain structure and the risk of neurodegenerative diseases. Using data from the UK Biobank, researchers analyzed over 270,000 participants over nearly 14 years. The findings suggest that long-term mobile phone use is linked to a reduced risk of dementia, Alzheimer’s, vascular dementia, and Parkinson’s disease. Neuroimaging data also indicated structural brain improvements in frequent users. However, no additional benefit was seen with excessive weekly phone use. These results challenge concerns about digital device exposure and suggest potential cognitive benefits.
Engaging in mentally stimulating activities, such as learning new skills, reading, or playing strategy-based games, may support brain health similarly to mobile device use in this study. Maintaining social connections, physical activity, and a balanced diet are well-established cognitive protectors. While digital interactions may offer benefits, moderation is key, and more research is needed to determine their long-term effects across diverse populations.